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-rw-r--r--app/models/concerns/remotable.rb39
-rw-r--r--app/models/concerns/status_threading_concern.rb10
2 files changed, 40 insertions, 9 deletions
diff --git a/app/models/concerns/remotable.rb b/app/models/concerns/remotable.rb
index c17f04776..c17f19a60 100644
--- a/app/models/concerns/remotable.rb
+++ b/app/models/concerns/remotable.rb
@@ -24,14 +24,17 @@ module Remotable
           Request.new(:get, url).perform do |response|
             next if response.code != 200
 
-            matches  = response.headers['content-disposition']&.match(/filename="([^"]*)"/)
-            filename = matches.nil? ? parsed_url.path.split('/').last : matches[1]
+            content_type = parse_content_type(response.headers.get('content-type').last)
+            extname      = detect_extname_from_content_type(content_type)
+
+            if extname.nil?
+              disposition = response.headers.get('content-disposition').last
+              matches     = disposition&.match(/filename="([^"]*)"/)
+              filename    = matches.nil? ? parsed_url.path.split('/').last : matches[1]
+              extname     = filename.nil? ? '' : File.extname(filename)
+            end
+
             basename = SecureRandom.hex(8)
-            extname = if filename.nil?
-                        ''
-                      else
-                        File.extname(filename)
-                      end
 
             send("#{attachment_name}=", StringIO.new(response.body_with_limit(limit)))
             send("#{attachment_name}_file_name=", basename + extname)
@@ -57,4 +60,26 @@ module Remotable
       end
     end
   end
+
+  private
+
+  def detect_extname_from_content_type(content_type)
+    return if content_type.nil?
+
+    type = MIME::Types[content_type].first
+
+    return if type.nil?
+
+    extname = type.extensions.first
+
+    return if extname.nil?
+
+    ".#{extname}"
+  end
+
+  def parse_content_type(content_type)
+    return if content_type.nil?
+
+    content_type.split(/\s*;\s*/).first
+  end
 end
diff --git a/app/models/concerns/status_threading_concern.rb b/app/models/concerns/status_threading_concern.rb
index 1ba8fc693..fa441469c 100644
--- a/app/models/concerns/status_threading_concern.rb
+++ b/app/models/concerns/status_threading_concern.rb
@@ -51,12 +51,16 @@ module StatusThreadingConcern
   end
 
   def descendant_statuses(limit, max_child_id, since_child_id, depth)
-    Status.find_by_sql([<<-SQL.squish, id: id, limit: limit, max_child_id: max_child_id, since_child_id: since_child_id, depth: depth])
+    # use limit + 1 and depth + 1 because 'self' is included
+    depth += 1 if depth.present?
+    limit += 1 if limit.present?
+
+    descendants_with_self = Status.find_by_sql([<<-SQL.squish, id: id, limit: limit, max_child_id: max_child_id, since_child_id: since_child_id, depth: depth])
       WITH RECURSIVE search_tree(id, path)
       AS (
         SELECT id, ARRAY[id]
         FROM statuses
-        WHERE in_reply_to_id = :id AND COALESCE(id < :max_child_id, TRUE) AND COALESCE(id > :since_child_id, TRUE)
+        WHERE id = :id AND COALESCE(id < :max_child_id, TRUE) AND COALESCE(id > :since_child_id, TRUE)
         UNION ALL
         SELECT statuses.id, path || statuses.id
         FROM search_tree
@@ -68,6 +72,8 @@ module StatusThreadingConcern
       ORDER BY path
       LIMIT :limit
     SQL
+
+    descendants_with_self - [self]
   end
 
   def find_statuses_from_tree_path(ids, account)